The teeth tear, chew, and grind food during the process of ________
A) digestion
B) mastication
C) peristalsis
D) regurgitation
B
Explanation: A) This does not describe digestion.
B) Correct!
C) Peristalsis is intestinal contractions.
D) This does not describe regurgitation.
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The patients enrolled in a clinical trial for a new weight-loss drug had a combined weight loss of –30 lb during the first month. During the second month of the clinical trial, the patients lost twice as much weight as they had the first month. What was their combined weight loss the second month?
A) +30 lb B) –59lb C) –58 lb D) –60 lb E) +58lb
Divide: 5 1/2 ÷ 4 1/4
A) 1 5/17 B) 23 3/8 C) 1 5/34 D) 23 3/4 E) 1 10/17
During isometric contractions, the larger than expected increases in cardiovascular response for the amount of oxygen required are due to
a. increases in intramuscular pressure b. restriction of blood flow to the exercising muscle c. a greater accumulation of metabolites d. all of the choices
Countries with the largest per capita "ecological footprint" include which of the following?
A) China B) India C) United States D) Australia